<template>
  <div class="app-container">
         <div class="el-toolbar">
            <div class="el-toolbar-body" style="justify-content: flex-start;">
                <el-button type="text" @click="exportData"><i class="fa fa-plus"/>导出</el-button>
                <el-button type="text"@click="importData"><i class="fa fa-plus"/> 导入</el-button>
            </div>
          </div>

        <el-table
        :data="list"
        style="width: 100%"
        row-key="id"
        border
        lazy
        :load="getChildrens"
        :tree-props="{children: 'children', hasChildren: 'hasChildren'}">
            <el-table-column label="名称" width="230" align="left">
            <template slot-scope="scope">
            <span>{{ scope.row.name }}</span>
            </template>
            </el-table-column>

            <el-table-column label="编码" width="220">
            <template slot-scope="{row}">
                    {{ row.dictCode }}
            </template>
            </el-table-column>
            <el-table-column label="值" width="230" align="left">
            <template slot-scope="scope">
            <span>{{ scope.row.value }}</span>
            </template>
            </el-table-column>
            <el-table-column label="创建时间" align="center">
            <template slot-scope="scope">
            <span>{{ scope.row.createTime }}</span>
            </template>
            </el-table-column>
        </el-table>
        <el-dialog title="导入":visible.sync="dialogImportVisible"width="480px">
          <el-form label-position="right"label-width="170px">
              <el-form-item label="文件">
              <el-upload
              :multiple="false"
              :on-success="onUploadSuccess"
              :action="'http://localhost:8202/admin/cmn/dict/importData'"
              class="upload-demo">
              <el-button size="small"type="primary">点击上传</el-button>
              <div slot="tip"class="el-upload__tip">只能上传xls文件，且不超过500kb</div>
              </el-upload>
              </el-form-item>
          </el-form>
          <div slot="footer"class="dialog-footer">
            <el-button @click="dialogImportVisible = false">
                  取消
            </el-button>
          </div>
        </el-dialog>
    </div>
</template>
<script>
// 引入接口文件
import dict from '@/api/dict'

export default {
  // 定义变量与初始值
  data(){
    return{
       // 设置弹框是否弹出
       dialogImportVisible: false,
       // 数据字典列表
       list:[]
    }
  },
  // 页面渲染前执行
  created(){
      this.getDictList(1)
  },
  methods: {
    // 导入数据字典
    importData(){
      this.dialogImportVisible=true
    },
    // 上传成功
    onUploadSuccess(){
      // 关闭弹框
      this.dialogImportVisible=false;
      //刷新页面
      this.getDictList(1);
    },
    // 导出数据字典
    exportData() {
      window.location.href = 'http://localhost:8202/admin/cmn/dict/exportData'
    },
    // 数据字典列表
    getDictList(id){
       dict.dictList(id)
          .then(response=>{
              this.list=response.data;
          })
    },
    // 查询下面层级
   getChildrens(tree, treeNode, resolve) {
        dict.dictList(tree.id).then(response => {
          resolve(response.data)
        })
   }
  },
}
</script>